package com.xujinchen.scanner;



import java.util.Scanner;

public class Demo04 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        //从键盘接收数据
        int i = 0;
        float f= 0.0f;
        if (scanner.hasNextInt()){
            i = scanner.nextInt();
            System.out.println("整数数据"+i);
        }else {
            System.out.println("输入的不是整数数据！");
        }
        if (scanner.hasNextFloat()){
            f = scanner.nextFloat();
            System.out.println("整小数据"+f);
        }else {
            System.out.println("输入的不是小数数据！");
        }
        scanner.close();
    }
}
